OVERVIEW
Lisp, an acronym for list processing, is a functional programming language that was designed for the easy manipulation of data strings. As one of the oldest programming languages still in use, Lisp offers several different dialects and has influenced the development of other languages.
A unique feature of early Lisp versions compared to most other programming languages is that the code could be directly interpreted without a compiler. The source code itself could be parsed and interpreted directly on a system. Today, however, most Lisp versions require that code be compiled and then loaded into an image to run. This offers faster program execution speeds compared to direct interpretation.
Features of Common LISP
It is machine-independent
It uses an iterative design methodology and easy extensibility.
It allows updating the programs dynamically.
It provides high-level debugging.
It provides advanced object-oriented programming.
It provides a convenient macro system.
It provides wide-ranging data types like objects, structures, lists, vectors, adjustable arrays, hash tables, and symbols.
It is expression-based.
It provides an object-oriented condition system.
It provides a complete I/O library.
It provides extensive control structures.
GET STARTED
To choose a Region follow the below step:
1. Sign in to the AWS Management Console.
2. Choose a service to go to that service's console.
3. In the navigation bar, choose the name of the currently displayed Region. Then choose the Region to which you want
to switch.
Step instructions for how to assess and monitor the health and proper function of the application:
1. Navigate to your Amazon EC2 console and verify that you're in the correct region.
2. Choose Instance and select your launched instance.
3. Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.
To verify the installation, follow the below instructions
Step 1. Connect to SSH:
Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.
In the navigation pane, choose Instances.
Select the instance and choose Connect.
Choose SSH Client
Copy the SSH command and paste it into the terminal.
ssh ubuntu@publicIP -i [Path of key pair file]If it shows an access denied message run the following command, then run the above command again to connect via ssh.
chmod 400 [Path of key pair file]Once launched in the Amazon EC2 Service, please connect to the instance via an SSH client using the ec2-user with the key pair associated at launch. Once connected as the ec2-user user, you will be able to sudo to the root user
Step 2. Verify the installation
Follow the steps to verify the Lisp language installation
1. Login with ssh
2. Type the below command to check the version
sbcl--version
How to use Lisp language in the terminal:
1. After connecting with ssh write the below command:
sudo vi test.lisp3. paste the following code into the file: :
(write-line "Hello, world!")2. After that below command :
sbcl --script test.lisp
The output "Hello World" should appear in your terminal.
That's it! You have successfully printed "Hello, World!" using Lisp in the terminal.
To monitor and assess application functions:-
a. Navigate to your Amazon EC2 console and verify that you're in the correct region.
b. Choose Instances and select your launched instance.
c. Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.
For detailed information on how to use this application please visit: https://www.tutorialspoint.com/lisp/index.htm
For detailed information about managing and requesting increased service please visit: https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html
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